Addition to 20 Quiz: Test Your Skills and Master Number Sense

Question 1

What is 9 + 1?

Accepted Answer

11

Answer

8

Answer

10

Question 2

Solve: 6 + 4 =

Accepted Answer

10

Answer

9

Answer

11

Question 3

Which expression shows 7 + 2?

Accepted Answer

7 + 2

Answer

7 - 2

Answer

2 - 7

Question 4

Sarah has 5 apples and her friend gives her 3 more. How many apples does she have now?

Accepted Answer

10

Answer

6

Answer

8

Question 5

Which one doesn't belong?

Accepted Answer

12 - 3

Answer

10 + 5

Answer

15 + 2

Answer

14 + 4

Question 6

There are 18 carriages on a train. 7 more are added. How many carriages are there now?

Accepted Answer

24

Answer

25

Answer

26

Question 7

Which is NOT a helpful way to add numbers to 20?

Accepted Answer

Subtracting one number from the other

Answer

Counting on

Answer

Using a number line

Answer

Breaking numbers apart

Question 8

I have nine apples. My friend gives me six more. How many apples do I have altogether now?

Accepted Answer

Fifteen

Answer

Twelve

Answer

Eighteen

Question 9

Which group of numbers belongs to the same addition fact family as 5, 7, and 12?

Accepted Answer

5 + 7 = 12, 7 + 5 = 12, 12 - 7 = 5

Answer

5 + 7 = 12, 7 - 5 = 2, 12 - 5 = 7

Answer

7 + 5 = 12, 5 + 7 = 12, 12 - 5 = 7

Answer

5 - 7 = -2, 7 - 5 = 2, 12 - 7 = 5

Question 10

Which of these is NOT a way to add numbers?

Accepted Answer

Taking away

Answer

Counting up

Answer

Using a number line

Answer

Using mental math tricks

Question 11

Which equation shows the sum of ten and eight as eighteen?

Accepted Answer

10 + 8 = 18

Answer

9 + 9 = 19

Answer

12 + 6 = 17

Answer

11 + 7 = 16

Question 12

Which of these is NOT a good way to add numbers up to 20?

Accepted Answer

Taking the smaller number away from the larger

Answer

Counting up

Answer

Splitting numbers into tens and ones

Answer

Using a number line

Question 13

What is the missing number in the number sentence: 12 + __ = 15?

Accepted Answer

3

Answer

4

Answer

6

Answer

5

Question 14

Solve the addition problem: 14 + 4 = ?

Accepted Answer

18

Answer

16

Answer

19

Answer

20

Question 15

Which number line represents the addition of 7 and 5?

Accepted Answer

Image of a number line from 0 to 12, with jumps of 7 and 5.

Answer

Image of a number line from 0 to 12, with jumps of 6 and 4.

Answer

Image of a number line from 0 to 12, with jumps of 8 and 3.